HU177214B - Method for making steel - Google Patents

Method for making steel Download PDF

Info

Publication number
HU177214B
HU177214B HU77HA1048A HUHA001048A HU177214B HU 177214 B HU177214 B HU 177214B HU 77HA1048 A HU77HA1048 A HU 77HA1048A HU HA001048 A HUHA001048 A HU HA001048A HU 177214 B HU177214 B HU 177214B
Authority
HU
Hungary
Prior art keywords
iron
carbide
carbon
iron carbide
steel
Prior art date
Application number
HU77HA1048A
Other languages
English (en)
Hungarian (hu)
Inventor
Frank M Stephens
Original Assignee
Hazen Research
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hazen Research filed Critical Hazen Research
Priority to HU77HA1048A priority Critical patent/HU177214B/hu
Publication of HU177214B publication Critical patent/HU177214B/hu

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B13/00Making spongy iron or liquid steel, by direct processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00Magnetic separation
    • B03C1/005Pretreatment specially adapted for magnetic separation
    • B03C1/015Pretreatment specially adapted for magnetic separation by chemical treatment imparting magnetic properties to the material to be separated, e.g. roasting, reduction, oxidation
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B13/00Making spongy iron or liquid steel, by direct processes
    • C21B13/0033In fluidised bed furnaces or apparatus containing a dispersion of the material
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B13/00Making spongy iron or liquid steel, by direct processes
    • C21B13/006Starting from ores containing non ferrous metallic oxides
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B13/00Making spongy iron or liquid steel, by direct processes
    • C21B13/0073Selection or treatment of the reducing gases
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B13/00Making spongy iron or liquid steel, by direct processes
    • C21B13/14Multi-stage processes processes carried out in different vessels or furnaces
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B15/00Other processes for the manufacture of iron from iron compounds
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28Manufacture of steel in the converter
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28Manufacture of steel in the converter
    • C21C5/30Regulating or controlling the blowing
    • C21C5/32Blowing from above
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/56Manufacture of steel by other methods
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00Preliminary treatment of ores or scrap
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B2100/00Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/40Gas purification of exhaust gases to be recirculated or used in other metallurgical processes
    • C21B2100/44Removing particles, e.g. by scrubbing, dedusting
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B2100/00Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/60Process control or energy utilisation in the manufacture of iron or steel
    • C21B2100/66Heat exchange
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/10Reduction of greenhouse gas [GHG] emissions
    • Y02P10/134Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Chemical & Material Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Furnace Details (AREA)
  • Manufacture Of Iron (AREA)
  • Powder Metallurgy (AREA)
  • Compounds Of Iron (AREA)
HU77HA1048A 1975-10-14 1977-10-04 Method for making steel HU177214B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
HU77HA1048A HU177214B (en) 1975-10-14 1977-10-04 Method for making steel

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/622,101 US4053301A (en) 1975-10-14 1975-10-14 Process for the direct production of steel
HU77HA1048A HU177214B (en) 1975-10-14 1977-10-04 Method for making steel

Publications (1)

Publication Number Publication Date
HU177214B true HU177214B (en) 1981-08-28

Family

ID=41667474

Family Applications (1)

Application Number Title Priority Date Filing Date
HU77HA1048A HU177214B (en) 1975-10-14 1977-10-04 Method for making steel

Country Status (23)

Country Link
US (2) US4053301A (sv)
JP (1) JPS6053084B2 (sv)
AT (2) AT372703B (sv)
AU (3) AU511757B2 (sv)
BE (1) BE859543A (sv)
BR (1) BR7608606A (sv)
CS (1) CS225806B1 (sv)
DD (2) DD139726A5 (sv)
DE (1) DE2700427A1 (sv)
DK (1) DK153956C (sv)
ES (1) ES462924A1 (sv)
FR (2) FR2375327A1 (sv)
HU (1) HU177214B (sv)
IE (3) IE46155B1 (sv)
IN (1) IN147340B (sv)
IT (1) IT1087734B (sv)
MX (2) MX5584E (sv)
NL (1) NL7710893A (sv)
NO (1) NO147344C (sv)
OA (1) OA05782A (sv)
PL (1) PL116930B1 (sv)
SE (2) SE438000B (sv)
ZA (1) ZA776003B (sv)

Families Citing this family (65)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4211555A (en) * 1978-02-21 1980-07-08 Southwire Company Method of controlling combustion in a metal melting furnace
US4248624A (en) * 1979-04-26 1981-02-03 Hylsa, S.A. Use of prereduced ore in a blast furnace
US4398945A (en) * 1981-06-22 1983-08-16 Stephens Jr Frank M Process for producing a ferronickel alloy from nickel bearing laterites
US4396423A (en) * 1981-06-22 1983-08-02 Stephens Jr Frank M Process for recovering iron and zinc from steel making dusts
ATE51032T1 (de) * 1986-05-07 1990-03-15 Voest Alpine Ind Anlagen Integriertes huettenwerk.
AT388176B (de) * 1987-07-30 1989-05-10 Voest Alpine Ag Verfahren und anlage zur gewinnung von fluessigem roheisen oder stahlvorprodukten aus stueckigen, eisenoxidhaeltigen einsatzstoffen
US5064467A (en) * 1987-11-02 1991-11-12 C.V.G. Siderurgica Del Orinoco, C.A. Method and apparatus for the direct reduction of iron
US5277795A (en) * 1989-06-13 1994-01-11 Thornhill Denis H Process and apparatus for recovering heavy metal from carbonaceous material
US5078788A (en) * 1989-12-22 1992-01-07 C.V.G. Siderurgica Del Orinoco, C.A. Method for the direct reduction of iron
US5069716A (en) * 1989-12-22 1991-12-03 C.V.G. Siderurgica Del Orinoco, C.A. Process for the production of liquid steel from iron containing metal oxides
NZ229777A (en) * 1989-12-30 1991-08-27 Nz Government Method for manufacturing ceramic-metal composites
US5073194A (en) * 1990-08-01 1991-12-17 Iron Carbide Holdings, Limited Process for controlling the product quality in the conversion of reactor feed into iron carbide
US5137566A (en) * 1990-08-01 1992-08-11 Iron Carbide Holdings, Limited Process for preheating iron-containing reactor feed prior to being treated in a fluidized bed reactor
US5118479A (en) * 1990-08-01 1992-06-02 Iron Carbide Holdings, Limited Process for using fluidized bed reactor
DE69130827D1 (de) * 1990-08-01 1999-03-11 Iron Carbide Holdings Ltd Verfahren zur kontrolle der umwandlung von eisenhaltiger reaktorzufuhr in eisenkarbid
AT395435B (de) * 1991-02-19 1992-12-28 Voest Alpine Ind Anlagen Verfahren zur inbetriebnahme einer anlage zur herstellung von roheisen oder stahlvormaterial, sowie anlage zur durchfuehrung des verfahrens
US5139568A (en) * 1991-10-03 1992-08-18 Cargill, Incorporated Continuous production of iron-carbon alloy using iron carbide
US5316565A (en) * 1991-12-18 1994-05-31 Kibby Robert M Carbothermic reduction product gas treatment
DE4320359C1 (de) * 1993-06-19 1994-10-20 Metallgesellschaft Ag Verfahren zur Direktreduktion von Eisenoxide enthaltenden Stoffen zu Eisenschwamm und Aufkohlung zu Fe¶3¶C
DK0630975T3 (da) * 1993-06-19 1997-09-01 Metallgesellschaft Ag Fremgangsmåde til direkte reduktion af jernoxidholdige stoffer.
DE4410093C1 (de) * 1994-03-24 1995-03-09 Metallgesellschaft Ag Verfahren zur Direktreduktion von Eisenoxide enthaltenden Stoffen
US5474280A (en) * 1993-08-20 1995-12-12 Martin; Charles A. Apparatus for preheating a reactor feed
US5387274A (en) * 1993-11-15 1995-02-07 C.V.G. Siderurgica Del Orinoco, C.A. Process for the production of iron carbide
US5869018A (en) 1994-01-14 1999-02-09 Iron Carbide Holdings, Ltd. Two step process for the production of iron carbide from iron oxide
US5437708A (en) * 1994-05-04 1995-08-01 Midrex International B.V. Rotterdam, Zurich Branch Iron carbide production in shaft furnace
US5618032A (en) * 1994-05-04 1997-04-08 Midrex International B.V. Rotterdam, Zurich Branch Shaft furnace for production of iron carbide
US5431711A (en) * 1994-08-12 1995-07-11 Midrex International B.V. Rotterdam, Zurich Branch Circulating fluidized bed direct reduction system
US5674308A (en) * 1994-08-12 1997-10-07 Midrex International B.V. Rotterdam, Zurich Branch Spouted bed circulating fluidized bed direct reduction system and method
US5435831A (en) * 1994-08-12 1995-07-25 Midrex International B.V. Rotterdam, Zurich Branch Circulating fluidizable bed co-processing of fines in a direct reduction system
US5516358A (en) * 1994-11-17 1996-05-14 Pro-Tech Reclamation, Inc. Method for the production of iron carbide
US5733358A (en) * 1994-12-20 1998-03-31 Usx Corporation And Praxair Technology, Inc. Process and apparatus for the manufacture of steel from iron carbide
JP3023617B2 (ja) * 1994-12-20 2000-03-21 ユー・エス・エックス・コーポレーション 炭化鉄から鋼を製造する方法および装置
US5690717A (en) * 1995-03-29 1997-11-25 Iron Carbide Holdings, Ltd. Iron carbide process
AUPN226095A0 (en) 1995-04-07 1995-05-04 Technological Resources Pty Limited A method of producing metals and metal alloys
US5733357A (en) * 1996-02-05 1998-03-31 Iron Carbide Holdings, Ltd. Process for converting iron oxide to iron carbide employing internally generated carbon oxide as the carbiding agent
US5804156A (en) * 1996-07-19 1998-09-08 Iron Carbide Holdings, Ltd. Iron carbide process
US5810906A (en) * 1996-08-28 1998-09-22 Iron Carbide Holdings, Ltd. Method for preheating feed materials for the production of iron carbide
US5810905A (en) * 1996-10-07 1998-09-22 Cleveland Cliffs Iron Company Process for making pig iron
AT406382B (de) * 1996-11-06 2000-04-25 Voest Alpine Ind Anlagen Verfahren zum herstellen von eisenschwamm durch direktreduktion von eisenoxidhältigem material
AT404256B (de) 1996-11-06 1998-10-27 Voest Alpine Ind Anlagen Verfahren zum herstellen von eisenschwamm
AUPO426396A0 (en) * 1996-12-18 1997-01-23 Technological Resources Pty Limited A method of producing iron
AUPO426096A0 (en) 1996-12-18 1997-01-23 Technological Resources Pty Limited Method and apparatus for producing metals and metal alloys
US5824134A (en) * 1997-01-29 1998-10-20 Powers; Jim Direct reduction of iron ore utilizing organic hazardous materials
AUPO944697A0 (en) * 1997-09-26 1997-10-16 Technological Resources Pty Limited A method of producing metals and metal alloys
JPH11171527A (ja) * 1997-12-04 1999-06-29 Kawasaki Heavy Ind Ltd 鉄カーバイドの製造方法
AU750751B2 (en) 1998-03-31 2002-07-25 Iron Carbide Holdings, Ltd Process for the production of iron carbide from iron oxide using external sources of carbon monoxide
US6063155A (en) * 1998-04-06 2000-05-16 Orinoco Iron, C.A. Fluidized bed process for the production of iron carbide
AUPP442598A0 (en) 1998-07-01 1998-07-23 Technological Resources Pty Limited Direct smelting vessel
MY119760A (en) 1998-07-24 2005-07-29 Tech Resources Pty Ltd A direct smelting process
AUPP483898A0 (en) 1998-07-24 1998-08-13 Technological Resources Pty Limited A direct smelting process & apparatus
AUPP554098A0 (en) 1998-08-28 1998-09-17 Technological Resources Pty Limited A process and an apparatus for producing metals and metal alloys
AUPP570098A0 (en) 1998-09-04 1998-10-01 Technological Resources Pty Limited A direct smelting process
AUPP805599A0 (en) 1999-01-08 1999-02-04 Technological Resources Pty Limited A direct smelting process
AUPQ083599A0 (en) 1999-06-08 1999-07-01 Technological Resources Pty Limited Direct smelting vessel
AUPQ152299A0 (en) 1999-07-09 1999-08-05 Technological Resources Pty Limited Start-up procedure for direct smelting process
AUPQ213099A0 (en) 1999-08-10 1999-09-02 Technological Resources Pty Limited Pressure control
AUPQ308799A0 (en) 1999-09-27 1999-10-21 Technological Resources Pty Limited A direct smelting process
AUPQ346399A0 (en) 1999-10-15 1999-11-11 Technological Resources Pty Limited Stable idle procedure
AUPQ365799A0 (en) 1999-10-26 1999-11-18 Technological Resources Pty Limited A direct smelting apparatus and process
EP1160337A1 (en) * 2000-05-31 2001-12-05 DANIELI & C. OFFICINE MECCANICHE S.p.A. Process to preheat and carburate directly reduced iron (DRI) to be fed to an electric arc furnace (EAF)
US6602321B2 (en) 2000-09-26 2003-08-05 Technological Resources Pty. Ltd. Direct smelting process
WO2005033347A1 (en) * 2003-10-03 2005-04-14 Corus Technology Bv Method and apparatus for reducing metal-oxygen compounds
CN101684509B (zh) * 2008-09-27 2012-06-13 鞍钢股份有限公司 一种转炉防倒钢的方法
US8557014B2 (en) * 2011-01-28 2013-10-15 Albert Calderon Method for making liquid iron and steel
CN105087904A (zh) * 2015-09-29 2015-11-25 攀枝花钢城集团有限公司 铁粉尾矿处理工艺

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US88939A (en) * 1869-04-13 Improved mode op roasting iron-ores
US228329A (en) * 1880-06-01 Thomas a
FR594547A (fr) * 1924-05-19 1925-09-14 Procedes Metallurg Constant Br Perfectionnement aux procédés métallurgiques de fabrication de l'acier
US1786386A (en) * 1927-06-24 1930-12-23 Ashcroft Edgar Arthur Extraction of tin from ores or materials containing tin
GB319309A (en) * 1928-06-19 1929-09-19 Bradley Fitch Company Improvements in and relating to the treatment of materials for the concentration of iron contained therein
GB615720A (en) * 1945-07-06 1949-01-11 Arthur Tregoning Cape Improvements in or relating to the production of iron
US2598393A (en) * 1948-10-25 1952-05-27 Kalling Bo Michael Sture Method in carrying out treatment of melted pig iron or other alloyed iron
US2653088A (en) * 1951-08-09 1953-09-22 Robert D Pike Direct production of steel from oxides of iron
US2780537A (en) * 1952-11-24 1957-02-05 Stelling Process of treating pulverulent iron oxides
GB747584A (en) * 1952-11-24 1956-04-11 Otto Stelling Treatment of pulverulent iron oxides
GB759224A (en) * 1953-07-30 1956-10-17 Stora Kopparbergs Bergslags Ab Method of refining iron-carbon alloys
US2806779A (en) * 1953-09-29 1957-09-17 Mcwane Cast Iron Pipe Co Method of producing iron
US2774662A (en) * 1955-09-13 1956-12-18 Bethlehem Steel Corp Reduction and fusion of metals
US2894831A (en) * 1956-11-28 1959-07-14 Old Bruce Scott Process of fluidized bed reduction of iron ore followed by electric furnace melting
US2978318A (en) * 1957-07-15 1961-04-04 Stora Kopparbergs Bergslags Ab Method of producing steel from pulverulent iron products rich in carbon
FR1247408A (fr) * 1959-10-20 1960-12-02 Soc Metallurgique Imphy Procédé de réduction du minerai de fer par du gaz naturel
US3160498A (en) * 1960-06-29 1964-12-08 Armco Steel Corp Fluidized iron ore reduction process and apparatus
US3140168A (en) * 1961-05-31 1964-07-07 Inland Steel Co Reduction of iron ore with hydrogen
US3288590A (en) * 1963-07-22 1966-11-29 Hydrocarbon Research Inc Continuous oxide reduction process
US3364009A (en) * 1964-03-12 1968-01-16 Kemmetmuller Roland Method for the production of iron and steel
FR1403970A (fr) * 1964-06-18 1965-06-25 Hydrocarbon Research Inc Procédé et installations pour la réduction d'oxydes métalliques, notamment d'oxydes de fer, et produits industriels nouveaux obtenus
DE1254363B (de) * 1964-12-10 1967-11-16 Elektrometallurgie M B H Ges Verfahren zur Reduktion von oxydischen Rohstoffen
AU417410B1 (en) * 1966-01-10 1971-09-23 Owen Morris David Improved method and means for the production of pig iron and steel
US3637368A (en) * 1968-10-16 1972-01-25 Exxon Research Engineering Co Increased metallizations of iron ore from fluidized bed processes
GB1269842A (en) * 1968-11-29 1972-04-06 Midland Ross Corp Metallised pellet, and process for producing steel using metallized pellets
DE1960082A1 (de) * 1968-12-17 1970-07-02 Union Carbide Corp Verfahren zum Niederschmelzen von Metallen
US3765872A (en) * 1970-12-16 1973-10-16 Fierro Esponja Method and apparatus for the gaseous reduction of iron ore to sponge iron
US3788835A (en) * 1970-12-30 1974-01-29 Exxon Research Engineering Co Iron ore reduction process(nu-9)
ES394143A1 (es) * 1971-08-11 1974-11-16 Servicios De Ingenieria Proyec Perfeccionamientos en procedimientos y dispositivos emplea-dos para la eliminacion del oxigeno presente en los oxidos.
DE2401909C3 (de) * 1974-01-16 1985-06-27 Fried. Krupp Gmbh, 4300 Essen Verfahren zur Herstellung von Stahl
US3997333A (en) * 1975-02-26 1976-12-14 Westinghouse Electric Corporation Process for the reduction of complex metallic ores
JP2659727B2 (ja) * 1987-11-26 1997-09-30 株式会社日立製作所 オンラインシステム

Also Published As

Publication number Publication date
FR2375327A1 (fr) 1978-07-21
AT372702B (de) 1983-11-10
AU4737079A (en) 1979-09-27
JPS5362717A (en) 1978-06-05
DK153956C (da) 1989-02-13
MX5693E (es) 1983-12-13
DD139726A5 (de) 1980-01-16
IE46156B1 (en) 1983-03-09
DD134649A5 (de) 1979-03-14
NL7710893A (nl) 1979-04-06
IT1087734B (it) 1985-06-04
NO147344B (no) 1982-12-13
AT372703B (de) 1983-11-10
USRE32247E (en) 1986-09-16
PL201383A1 (pl) 1979-05-07
OA05782A (fr) 1981-05-31
DE2700427A1 (de) 1978-07-13
FR2431540B1 (sv) 1981-11-20
JPS6053084B2 (ja) 1985-11-22
FR2375327B1 (sv) 1981-06-19
BE859543A (fr) 1978-02-01
MX5584E (es) 1983-10-28
NO773452L (no) 1979-04-11
DK449177A (da) 1979-04-11
IN147340B (sv) 1980-02-02
IE46155L (en) 1979-03-29
ATA709977A (de) 1983-03-15
PL116930B1 (en) 1981-07-31
ES462924A1 (es) 1978-10-01
ZA776003B (en) 1979-05-30
IE46157B1 (en) 1983-03-09
SE438000B (sv) 1985-03-25
CS225806B1 (en) 1984-02-13
DK153956B (da) 1988-09-26
SE7810769L (sv) 1978-10-16
AU511757B2 (en) 1980-09-04
AU545314B2 (en) 1985-07-11
ATA546481A (de) 1983-03-15
IE822206L (en) 1979-03-29
NO147344C (no) 1983-03-23
BR7608606A (pt) 1978-07-18
SE7614490L (sv) 1978-06-23
US4053301A (en) 1977-10-11
AU6083180A (en) 1980-11-06
IE46155B1 (en) 1983-03-09
AU1940976A (en) 1978-05-18
FR2431540A1 (fr) 1980-02-15
SE410277B (sv) 1979-10-08

Similar Documents

Publication Publication Date Title
HU177214B (en) Method for making steel
US5387274A (en) Process for the production of iron carbide
GB1438999A (en) Blast furnace operating methods
US4551172A (en) Process of producing liquid carbon-containing iron
JPH10251720A (ja) 鉄の精製方法
US3160498A (en) Fluidized iron ore reduction process and apparatus
US4526612A (en) Method of manufacturing ferrosilicon
US1760078A (en) Process for the low-temperature reduction of iron ores
GB2243840A (en) Liquid steel production
US4248627A (en) Process for the manufacture and use of high purity carbonaceous reductant from carbon monoxide-containing gas mixtures
US5069716A (en) Process for the production of liquid steel from iron containing metal oxides
US5810905A (en) Process for making pig iron
US5437706A (en) Method for operating a blast furnace
US4001008A (en) Method and apparatus for the reduction of ores, especially iron ores
US4198228A (en) Carbonaceous fines in an oxygen-blown blast furnace
JP2902062B2 (ja) 溶融還元法
US1695953A (en) Method of preheating the charge in shaft furnaces
GB978070A (en) Reduction of metal oxides
US5733357A (en) Process for converting iron oxide to iron carbide employing internally generated carbon oxide as the carbiding agent
US6428763B1 (en) Process for the production of iron carbide from iron oxide using external sources of carbon monoxide
US2715575A (en) Method of treating iron ore blast furnaces
US3620699A (en) Reducing gas generation
CA1084273A (en) Process for the direct production of steel
US900346A (en) Method of smelting copper ores.
GB1573453A (en) Production of iron carbide and the production of steel therefrom